Home / 136,199.21-204,298.82-42,712.25

Finding the Fourth Proportional to 136,199.21, 204,298.82 and 42,712.25

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Solution

The fourth proportional to 136,199.21, 204,298.82 and 42,712.25 is: 64,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,199.21 : 204,298.82 = 42,712.25 : x
  2. Step 2: Convert to fraction form
    136,199.21/204,298.82 = 42,712.25/x
  3. Step 3: Cross multiply
    136,199.21x = 204,298.82 × 42,712.25
  4. Step 4: Simplify right side
    136,199.21x = 8,726,062,274.55
  5. Step 5: Solve for x
    x = 8,726,062,274.55/136,199.21
  6. Step 6: Final answer
    x = 64,068.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.